Tools

i18next's official CLI: finds hard-coded strings in JS/TS code, extracts translation keys, checks which locales are missing entries and syncs locale files; init --yes sets up non-interactively, and a bundled agent skill guides app internationalization. Needs a Node.js project using i18next.

MinerU's official MCP: parses PDF, Word, PowerPoint and images into Markdown via the mineru.net cloud API, keeping tables and formulas. The keyless Flash mode works out of the box; add a token for higher quotas and more formats.

Comet's official Opik MCP: query traces and spans of LLM apps in chat, log scores and comments, and manage datasets, experiments and prompt versions. Works with Opik Cloud (API key or browser sign-in) and self-hosted open-source Opik.

Official iFlytek skills: machine translation, video translation and dubbing, Chinese document proofreading, PDF, image and invoice OCR, speech-to-text and TTS, plus contract review (lawyer check needed). Needs iFlytek open platform services and keys; contract review also needs OCR and LLM APIs.

Official iFlytek skill that translates text or text files via iFlytek's machine translation API across Chinese, English, Japanese, Korean, French, Spanish, Arabic and more, up to 4,096 bytes per call. Needs Python 3 and iFlytek open platform credentials; paid beyond the free quota.

Official iFlytek skill (beta): translates and AI-dubs videos between Chinese, English, Japanese, Korean, Russian, French, Spanish, Arabic and Cantonese, tracks jobs, fetches subtitles and video. Needs iFlytek API keys and Python 3; input must be an online MP4 (Alibaba OSS per docs), up to 5 min.

MongoDB's official plugin: runs the MongoDB MCP locally via npx and adds skills for query generation, index tuning, schema design, and full-text and vector search. Connects to self-hosted or Atlas databases with a connection string.

MongoDB's official skill library covering document model design, driver connection setup, query optimization, natural-language query generation, Atlas full-text and vector search, and stream processing. Works alongside the MongoDB MCP Server.

Community-run local Salesforce MCP: query, summarize and update accounts, opportunities and cases in plain language and search across objects; admins can also create custom objects and fields and edit Apex. Needs Salesforce login and security token (or a Connected App) and Node.js 22+.

Microsoft Translator's translation quality tool: GPT scores each sentence using MQM error categories or a direct score; --list_mqm_errors shows error types and severity. Needs line-aligned source and target files, Python and an OpenAI or Azure OpenAI key (paid); a translator should still review.

Official Spark mail skills: agents read mail, calendar, contacts and teams, with flows for morning briefs, inbox zero, meeting prep, follow-ups and weekly reports. Needs Spark desktop on macOS or Windows with the CLI enabled; set read-only, organize or send access per account.

Connects any FHIR-compliant EHR server (e.g. the Epic sandbox or HAPI) to agents to search, read, create and update patient clinical data in plain language, with SMART on FHIR auth. By WSO2. Needs a FHIR server URL, access token and uv; clinicians must review results.

Salesforce's official hosted MCP servers: after an admin enables them in Setup with an OAuth external client app, agents can query and update CRM records and run Flows under the user's permissions. Needs Enterprise Edition or higher, or a free Developer Edition org. Repo holds docs and Q&A.

Lets agents view, create and update Zendesk tickets and comments, read Help Center articles as a knowledge base, and use built-in prompts for ticket analysis and reply drafting. Each support rep signs in with OAuth after an admin registers an OAuth client. Install from source.

Lokalise's official CLI (lokalise2) covering the Lokalise API v2: upload and download language files and manage keys, translations, screenshots, translation tasks and contributors. Needs a Lokalise account (paid, 14-day free trial) and an API token passed via --token.

DeepL's official MCP: translate text and documents (PDF, DOCX, PPTX, XLSX and more) and rephrase or polish writing, using the glossaries and style rules in your account. Needs a DeepL API key.

Sonar's official plugin bringing SonarQube checks into the agent coding loop: secrets-scanning hook, issue fixing, quality gates, coverage and dependency risk; with Vortex analysis on, every edit is checked. Needs SonarQube (free Community Build works), the sonar CLI and Docker.

From Twilio Labs: exposes Twilio's public APIs (SMS, voice, phone numbers, Serverless and more) as MCP tools generated from its OpenAPI specs, with filtering by service or tag. Needs a Twilio API key; marked as a proof of concept.

Translated's official MCP for its Lara translation model: language detection, context-aware translation in faithful, fluent or creative styles, plus translation memories and glossaries. Needs a Lara Translate account (browser sign-in on first use); the free plan has a monthly quota.

MLflow's official skills plugin: lets coding agents add MLflow Tracing to LLM apps, analyze failed traces, build evaluation datasets and scorers, and query token and latency metrics, closing the instrument, evaluate, iterate loop. Needs MLflow 3.8+.

Discourse's official MCP: lets agents search and read forum topics and posts and view categories and users. Read-only by default and no account needed for public forums; posting and replying require a site API key and the --allow_writes flag. Needs Node.js 24+.

SimpleLocalize's official CLI: upload and download translation files, trigger machine and AI auto-translation, publish translations to the CDN, and extract translation keys from source code for CI. Needs a SimpleLocalize account and project API key; paid service with a 14-day free trial.

Zendesk's official CLI: preview, import and publish Help Center themes locally, and create, package and deploy Zendesk apps such as ticket sidebar apps. Needs a Zendesk account, Node.js 20.17+ and yarn, some HTML/CSS for themes; run zcli login first.

Lets agents create, search, update and reply to Freshdesk tickets, add internal notes, and look up contacts, companies and agents, so support teams can process and summarize tickets in bulk. Needs a Freshdesk API key and account domain; runs locally with uvx.